Aside from needlecasting making QE comms obsolete, removing gate network and scaling down some of the tech and removing Uplifts... Eclipse Phase has everything needed to just play Altered Carbon as is...

* Pandora gates: no (at least until the end of the 2nd book, at the third book the technology discovered at the end of the 2nd).
* Egocasting: much faster than in EP (a few hours up to the Kuiper Belt in the Solar System) and the spaceships are faster (slower than light still), but the timeframes in the books are bigger: an Egocast from Harlan's world to Earth took several weeks.
* Nanotec & Swarms: much more developed in EP. CA uses those for terraforming and as gray goo swarms (second book).
* Morphs: much more advanced, or more varied, in EP. Altered Carbon tends to a more bioconservative preference, or less alien options. The more advanced and less 100% humanlike options for morphs (including infomorphs) are only seen on the third book of AC.
* No uplifts.

All in all, CA's style is a cyberpunk one, with broad strokes of transhumanism.